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Python Nose Import Error
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You've got an __init__.py in your top level directory. That makes it a package. If you remove it, your nosetests should work.
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your dire...
When to use enumerateObjectsUsingBlock vs. for
...need to modify local variables" - not true; you can declare your locals as __block and they'll be writable in the block.
enumerateObjectsWithOptions:usingBlock: supports either concurrent or reverse enumeration.
with dictionaries, block based enumeration is the only way to retrieve the key and value...
How do you know when to use fold-left and when to use fold-right?
...ee it. It's "haskell-style pseudocode". :)
– laughing_man
Apr 21 '15 at 2:38
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Literal suffix for byte in .NET?
...Still there is no suffix to make it a byte though, example:
var b = 0b1010_1011_1100_1101_1110_1111; //int
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Multi-line regex support in Vim
...t of other differences between Vim and Perl regexes.
Instead you can use \_., which means "match any single character including newline". It's a bit shorter than what you have. See :h /\_..
/This\_.*text/
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Finding a substring within a list in Python [duplicate]
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sub = 'abc'
timeit.timeit('[s for s in mylist if sub in s]', setup='from __main__ import mylist, sub', number=100000)
# for me 7.949463844299316 with Python 2.7, 8.568840944994008 with Python 3.4
timeit.timeit('next((s for s in mylist if sub in s), None)', setup='from __main__ import mylist, sub',...
What are the applications of binary trees?
...oving from one level to the next requires one comparison, and there are log_2(m) levels, for a total of log_2(m) comparisons.
In contrast, an n-ary tree will require log_2(n) comparisons (using a binary search) to move to the next level. Since there are log_n(m) total levels, the search will requi...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
...s an error: XMLHttpRequest cannot load A.com/js/jquery-ui-1.10.3.custom.js?_=1384831682813. Origin B.com is not allowed by Access-Control-Allow-Origin.
– hiway
Nov 19 '13 at 3:50
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Batch File; List files in directory, only filenames?
...answered May 3 '18 at 10:14
Mike_GreMike_Gre
8111 silver badge33 bronze badges
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Dynamic variable names in Bash
...ay, with command names as keys.
# Requires bash 4, though
declare -A magic_variable=()
function grep_search() {
magic_variable[$1]=$( ls | tail -1 )
echo ${magic_variable[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you can use declare to create dynamic var...